package com.sign.signsystem;

import java.util.Locale;

import com.core.entity.AccessRight;
import com.sign.fragment.LessonFragment;
import com.sign.fragment.SignDetailFragment;
import com.sign.fragment.SignFragment;
import com.sign.fragment.UserFragment;

import android.support.v7.app.ActionBarActivity;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;

public class MainActivity extends ActionBarActivity {

	/**
	 * The {@link android.support.v4.view.PagerAdapter} that will provide
	 * fragments for each of the sections. We use a {@link FragmentPagerAdapter}
	 * derivative, which will keep every loaded fragment in memory. If this
	 * becomes too memory intensive, it may be best to switch to a
	 * {@link android.support.v4.app.FragmentStatePagerAdapter}.
	 */
	SectionsPagerAdapter mSectionsPagerAdapter;
	
	AccessRight accessRight;

	/**
	 * The {@link ViewPager} that will host the section contents.
	 */
	ViewPager mViewPager;
	
	LinearLayout mLinearLayoutSign,mLinearLayoutUser,mLinearLayoutSignDetail,mLinearLayoutLesson;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// Create the adapter that will return a fragment for each of the three
		// primary sections of the activity.
		mSectionsPagerAdapter = new SectionsPagerAdapter(
				getSupportFragmentManager());

		// Set up the ViewPager with the sections adapter.
		mViewPager = (ViewPager) findViewById(R.id.pager);
		mViewPager.setAdapter(mSectionsPagerAdapter);
		
		mLinearLayoutSign = (LinearLayout) findViewById(R.id.sign_buttom_layout);
		mLinearLayoutSignDetail = (LinearLayout) findViewById(R.id.sign_detail_buttom_layout);
		mLinearLayoutUser = (LinearLayout) findViewById(R.id.user_buttom_layout);
		mLinearLayoutLesson = (LinearLayout) findViewById(R.id.lesson_buttom_layout);
		RegisterListenning(mLinearLayoutSign,1);
		RegisterListenning(mLinearLayoutSignDetail,1);
		RegisterListenning(mLinearLayoutUser,0);
		RegisterListenning(mLinearLayoutLesson,2);
		accessRight = ((LocationApplication)getApplication()).getAccessRight();
		if(accessRight.equals(AccessRight.teacher)) {
			mLinearLayoutSign.setClickable(false);
			mLinearLayoutSign.setVisibility(View.GONE);
		} else {
			mLinearLayoutSignDetail.setClickable(false);
			mLinearLayoutSignDetail.setVisibility(View.GONE);
		}
		// mViewPager.setCurrentItem(item);

	}
	
	private void RegisterListenning(LinearLayout mLinearLayout, final int position){
		mLinearLayout.setOnClickListener(new OnClickListener(){
			@Override
			public void onClick(View view) {
				mViewPager.setCurrentItem(position);
			}} );
		
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {

		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Handle action bar item clicks here. The action bar will
		// automatically handle clicks on the Home/Up button, so long
		// as you specify a parent activity in AndroidManifest.xml.
		int id = item.getItemId();
		if (id == R.id.action_quit) {
			this.finish();
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	/**
	 * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
	 * one of the sections/tabs/pages.
	 */
	public class SectionsPagerAdapter extends FragmentPagerAdapter {

		public SectionsPagerAdapter(FragmentManager fm) {
			super(fm);
		}

		@Override
		public Fragment getItem(int position) {
			// getItem is called to instantiate the fragment for the given page.
			// Return a PlaceholderFragment (defined as a static inner class
			// below).
			switch (position) {
			case 0:
				return UserFragment.newInstance();
			case 1:
				return accessRight.equals(AccessRight.teacher) ? 
						SignDetailFragment.newInstance() : SignFragment.newInstance();
			case 2:
				return LessonFragment.newInstance();
			default:
				return null;
			}

		}

		@Override
		public int getCount() {
			// Show 3 total pages.
			return 3;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			Locale l = Locale.getDefault();
			switch (position) {
			case 0:
				return getString(R.string.title_section1).toUpperCase(l);
			case 1:
				return getString(R.string.title_section2).toUpperCase(l);
			case 2:
				return getString(R.string.title_section3).toUpperCase(l);
			}
			return null;
		}
	}

	@Override
	public void onBackPressed() {
		super.onBackPressed();
	}

	
}
